.TISU4D-card {
        max-width: 750px;
        width: 100%;
        box-sizing: border-box;
        background: linear-gradient(145deg, #10100e, #1c1810, #0b0b0a);
        border-radius: 32px;
        padding: 40px 35px;
        box-shadow: 0 25px 45px -20px rgba(0, 0, 0, 0.5),
                    0 0 30px rgba(212, 175, 55, 0.08);
        border: 1px solid rgba(212, 175, 55, 0.35);
    }

    /* JUDUL UTAMA */
    .hero-title {
        text-align: center;
        margin-bottom: 30px;
    }

    .hero-title h1 {
        font-size: 34px;
        font-weight: 700;
        line-height: 1.4;
        color: #e8c873;
        margin-bottom: 5px;
    }

    .hero-title h1 span {
        color: #ffd978;
        font-weight: 800;
    }

    /* HEADER DALAM CARD */
    .brand-header {
        text-align: center;
        margin-bottom: 25px;
    }

    .brand-header h2 {
        font-size: 2rem;
        font-weight: 800;
        color: #f2d88d;
        letter-spacing: 1px;
        margin-bottom: 5px;
    }

    .brand-header .sub {
        font-size: 15px;
        color: #d5c49d;
        font-weight: 500;
        position: relative;
        display: inline-block;
        padding-bottom: 8px;
    }

    .brand-header .sub:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 50px;
        height: 2px;
        background: linear-gradient(90deg, #8d6b2d, #f5d77c, #8d6b2d);
    }

    /* 4 LANGKAH MUDAH BANNER */
    .steps-banner {
        background: linear-gradient(135deg, #19160f, #2b2212, #15120d);
        border-radius: 20px;
        border: 1px solid rgba(212, 175, 55, 0.38);
        padding: 25px 30px;
        margin-bottom: 30px;
        display: flex;
        align-items: center;
        gap: 25px;
        flex-wrap: wrap;
        box-shadow: inset 0 0 25px rgba(212, 175, 55, 0.04);
    }

    .steps-big-number {
        font-size: 64px;
        font-weight: 900;
        line-height: 1;
        background: linear-gradient(
            180deg,
            #fff0b8 0%,
            #f5d77c 35%,
            #c99a35 75%,
            #8d6420 100%
        );
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        flex-shrink: 0;
    }

    .steps-title {
        font-size: 22px;
        font-weight: 800;
        color: #f4dd9d;
        flex-shrink: 0;
        margin-right: 10px;
    }

    .steps-list {
        display: flex;
        align-items: center;
        gap: 22px;
        flex-wrap: wrap;
        flex: 1;
    }

    .steps-item {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .steps-badge {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        border: 2px solid #d4af37;
        background: rgba(212, 175, 55, 0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        color: #f5d77c;
        font-size: 14px;
        flex-shrink: 0;
        box-shadow: 0 0 12px rgba(212, 175, 55, 0.1);
    }

    .steps-copy {
        display: flex;
        flex-direction: column;
        line-height: 1.3;
    }

    .steps-label {
        font-size: 12px;
        color: #c6b68d;
        font-weight: 500;
    }

    .steps-name {
        font-size: 15px;
        color: #fff0c4;
        font-weight: 700;
    }

    @media (max-width: 600px) {
        .steps-banner {
            flex-direction: column;
            align-items: flex-start;
            padding: 22px;
        }

        .steps-list {
            gap: 16px;
        }
    }

    /* BONUS SECTION */
    .bonus-wrap {
        background: linear-gradient(145deg, #201a10, #100f0c, #251d10);
        border-radius: 20px;
        padding: 25px 20px;
        margin: 30px 0 35px;
        border: 1px solid rgba(212, 175, 55, 0.4);
        text-align: center;
        box-shadow: inset 0 0 30px rgba(212, 175, 55, 0.04);
    }

    .bonus-head {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        margin-bottom: 20px;
    }

    .bonus-head .gold-icon {
        width: 8px;
        height: 8px;
        background: #f5d77c;
        border-radius: 50%;
        box-shadow: 0 0 10px rgba(245, 215, 124, 0.45);
    }

    .bonus-head h3 {
        margin: 0;
        font-size: 16px;
        color: #f5d77c;
        font-weight: 700;
    }

    .bonus-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .bonus-item {
        padding: 12px 15px;
        background: linear-gradient(110deg, #18150f, #282012);
        border-radius: 14px;
        border: 1px solid rgba(212, 175, 55, 0.2);
        border-left: 4px solid #d4af37;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
        text-align: left;
    }

    .bonus-item p {
        margin: 0;
        font-size: 15px;
        font-weight: 600;
        color: #e8d7ae;
    }

    .bonus-item .highlight-gold {
        color: #ffd978;
        font-weight: 700;
    }

    .bonus-item .highlight-black {
        color: #f4e5bf;
    }

    /* CTA BUTTONS - LUXURY GOLD EDITION */
    .cta-gold-section {
        margin-top: 25px;
        text-align: center;
    }

    .cta-buttons-gold {
        display: flex;
        gap: 15px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn-gold {
        display: inline-block;
        box-sizing: border-box;
        padding: 14px 42px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 16px;
        letter-spacing: 1px;
        text-decoration: none;
        transition: all 0.25s ease;
        border: 1px solid;
        min-width: 140px;
        text-align: center;
    }

    /* TOMBOL LOGIN */
    .btn-login-gold {
        background: linear-gradient(135deg, #19150e, #302513);
        color: #f5d77c;
        border-color: #d4af37;
        box-shadow: inset 0 0 10px rgba(212, 175, 55, 0.05);
    }

    .btn-login-gold:hover {
        background: linear-gradient(135deg, #302410, #483616);
        color: #fff0b8;
        border-color: #f5d77c;
        box-shadow: 0 5px 20px rgba(212, 175, 55, 0.18);
        transform: translateY(-2px);
    }

    /* TOMBOL DAFTAR */
    .btn-register-gold {
        background: linear-gradient(
            135deg,
            #a67824 0%,
            #e5bf61 35%,
            #f5db91 55%,
            #c59839 100%
        );
        color: #19130a;
        border-color: #f5d77c;
        box-shadow: 0 5px 20px rgba(212, 175, 55, 0.22);
    }

    .btn-register-gold:hover {
        background: linear-gradient(
            135deg,
            #d4a342,
            #fff0b8,
            #d4a342
        );
        color: #110d06;
        border-color: #fff0b8;
        box-shadow: 0 8px 28px rgba(212, 175, 55, 0.35);
        transform: translateY(-2px);
    }

    /* RESPONSIVE TAMBAHAN */
    @media (max-width: 600px) {
        .TISU4D-card {
            padding: 25px 18px;
            border-radius: 22px;
        }

        .hero-title h1 {
            font-size: 26px;
        }

        .brand-header h2 {
            font-size: 1.6rem;
        }

        .steps-big-number {
            font-size: 55px;
        }

        .btn-gold {
            padding: 13px 30px;
            font-size: 14px;
        }
    }